Finding the Third Proportional to 857,573 and 1,864,607

Step by Step Solution

1. Step 1: Write the proportion equation
   857,573 : 1,864,607 = 1,864,607 : x
2. Step 2: Convert to fraction form
   857,573/1,864,607 = 1,864,607/x
3. Step 3: Cross multiply
   857,573x = 1,864,607 × 1,864,607
4. Step 4: Simplify right side
   857,573x = 3,476,759,264,449
5. Step 5: Solve for x
   x = 3,476,759,264,449/857,573
6. Step 6: Final answer
   x = 4,054,184.62